Pressure Regulators- A4AD Adaptomode | #A460E320A7B4S32B6XNXSN


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Pressure Regulators- A4AD Adaptomode | #A460E320A7B4S32B6XNXSN

1-1/4 A4AD RAA 1-1/4SW 120G QD


Technical Specifications

  • Check Valve Type: None
  • Strainer Type: With Strainer
  • Port Size (inch): 1-1/4"
  • Valve Material: Standard Valve Material
  • Connection Size (inch): 1-1/4"
  • Port Size (mm): 32mm
  • Low Pressure Set Point (bar): 2.8bar
  • Low Pressure Set Point (psig): 40psig
  • Pressure Range (psig): 5 to 150psig-5 to 150psig
  • Coil Type: 120AC EXT-Leaded Standard
  • Flange Type: Socket Weld
  • High Pressure Set Point (bar): 4.8bar
  • Capacity Plug: Full Capacity
  • Model Number: 1-1/4 A4AD RAA 1-1/4SW 120G QD
  • Motor Type: None
  • Pressure Regulator Type: Dual Inlet- No Variation- Dual Pressure (Low/High)
  • Pressure Range (bar): 0.35 to 10bar-0.35 to 10bar
  • High Pressure Set Point (psig): 70psig
  • Minimum Operating Temperature: -45 °C, -50 °F
  • Maximum Operating Temperature: 105 °C, 220 °F
  • Maximum Operating Pressure: 27.6 bar, 400 psig
  • Valve Type: A4AD
  • Plating Type: No Plating
  • Body Material: Gray Iron
  • Pressure Regulator Type: Dual Inlet - No Variation - Dual Pressure (Low/High)
  • Port Size: 32 mm, 1-1/4 inch
Safety Warning

Item Information

Parker’s A4AD pressure regulator features dual pressure regulating pilots in a single housing which allows users to control two different pressure set points without the need for additional piping, valves, or controls. The active pressure regulating pilot is selected using a standard pilot solenoid. This simple control gives users flexibility in their process but keeps implementation costs to a minimum. The A4AD is part of the popular A4A line and features common components and service parts.

Markets:
• Industrial Refrigeration
• Commercial Refrigeration

Features and Benefits:
• Pilot Operated characterized Modulating Plug for precise control
• Suitable for all common refrigerants and oil
• 28bar (400psig) Maximum Rated Pressure (MRP)
• Flanges for threaded or welded steel pipe and copper tube (copper not for ammonia)
• Unique modular construction
• Interchangeable parts
• Easy to service
• Close coupled strainers, optional
• Many control variations are possible with the use of a few modules and kits
• Stainless Steel diaphragm
• Chrome plated Pilot Seat
• Manual Opening Stem

Application:
• Capacity Control of an evaporator at two different pressure levels to regulate temperature
• Evaporator Pressure Control combined with Defrost Pressure Relief

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CAD Drawings + Files


Related Documents

Literature and Reference Materials
Capacity Tables A4A
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Where to Buy

Local Contact

South Africa Headoffice

Parker Hannifin (Africa) Pty LTD

Sales Company South Africa

10 Berne Avenue

Aeroport

Kempton Park

Gauteng

South Africa

1620

Phone

0027 11 961 0700

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